在一行中键入下面的这一个命令。
在文本编辑器中键入以下代码。
单击用户在其中键入报价机的编辑框。
He said that the percent ionic character, and this is within a bond, not for a compound, for a covalent bond.
他提到离子百分数,是指一根键中,并非一个分子中。
So either a potassium cyanide or sodium cyanide, these are used in synthesis in terms of making carbon-carbon bonds.
因此无论是氰化钾还是氰化钠,都被用来在合成过程中,制造碳碳键。
What you can do is you can iterate keys, which gives you the keys in the dictionary, and then you can choose them, but there's no guarantee in the order in which you get keys.
你能做的就是迭代得到键,这样就可以得到字典中,所有的键并进行选择,但是键的顺序,是没有保证的。
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